For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
1)
Three pens and three notebooks cost $34.00. Three pens and seven notebooks cost $66.00. What is the cost of a pen
$ ___
Answer:_______________
2)
Four files and three books cost $130.00. Four files and five books cost $190.00. What is the cost of a file
$ ___
Answer:_______________
3)
Five dolls and three doll houses cost $69.00. Five dolls and six doll houses cost $123.00. What is the cost of a doll
$ ___
Answer:_______________
4)
Three pens and three notebooks cost $51.00. Three pens and seven notebooks cost $99.00. What is the cost of a pen
$ ___
Answer:_______________
5)
Four files and three books cost $65.00. Four files and five books cost $95.00. What is the cost of a file
$ ___
Answer:_______________
6)
Five dolls and three doll houses cost $230.00. Five dolls and six doll houses cost $410.00. What is the cost of a doll
$ ___
Answer:_______________
7)
Three pens and three notebooks cost $17.00. Three pens and seven notebooks cost $33.00. What is the cost of a pen
$ ___
Answer:_______________
8)
Four files and three books cost $117.00. Four files and five books cost $171.00. What is the cost of a file
$ ___
Answer:_______________
9)
Five dolls and three doll houses cost $299.00. Five dolls and six doll houses cost $533.00. What is the cost of a doll
$ ___
Answer:_______________
10)
Three pens and three notebooks cost $68.00. Three pens and seven notebooks cost $132.00. What is the cost of a pen
$ ___
Answer:_______________
1)
Three pens and three notebooks cost $34.00. Three pens and seven notebooks cost $66.00. What is the cost of a pen
$ Answer: 2.00
SOLUTION 1 :
3 pens + 3 note books
→
$34.00
3 pens + 7 note books
→
$66.00
Step 1:
7 note books
-
3 note books
=
4 note books
Step 2:
4 note books
→
$66.00 - $34.00
=
$32.00
Step 3:
1 note book
→
$32.00 ÷ 4
=
$8.00
Step 4:
3 note books
→
3 x $8.00
=
$24.00
Step 5:
3 pens
→
$34.00 - $24.00
=
$6.00
Step 6:
1 pen
→
$6.00 ÷ 3
=
$2.00
The cost of a pen is $2.00.
2)
Four files and three books cost $130.00. Four files and five books cost $190.00. What is the cost of a file
$ Answer: 10.00
SOLUTION 1 :
4 files + 3 books
→
$130.00
4 files + 5 books
→
$190.00
Step 1:
5 books
-
3 books
=
2 books
Step 2:
2 books
→
$190.00 - $130.00
=
$60.00
Step 3:
1 books
→
$60.00 ÷ 2
=
$30.00
Step 4:
3 books
→
3 x $30.00
=
$90.00
Step 5:
4 files
→
$130.00 - $90.00
=
$40.00
Step 6:
1 file
→
$40.00 ÷ 4
=
$10.00
The cost of a file is $10.00.
3)
Five dolls and three doll houses cost $69.00. Five dolls and six doll houses cost $123.00. What is the cost of a doll
$ Answer: 3.00
SOLUTION 1 :
5 dolls + 3 doll house
→
$69.00
5 dolls + 6 doll houses
→
$123.00
Step 1:
6 doll houses
-
3 doll houses
=
3 doll houses
Step 2:
3 doll houses
→
$123.00 - $69.00
=
$54.00
Step 3:
1 doll house
→
$54.00 ÷ 3
=
$18.00
Step 4:
3 doll houses
→
3 x $18.00
=
$54.00
Step 5:
5 dolls
→
$69.00 - $54.00
=
$15.00
Step 6:
1 doll
→
$15.00 ÷ 5
=
$3.00
The cost of a doll is $3.00.
4)
Three pens and three notebooks cost $51.00. Three pens and seven notebooks cost $99.00. What is the cost of a pen
$ Answer: 3.00
SOLUTION 1 :
3 pens + 3 note books
→
$51.00
3 pens + 7 note books
→
$99.00
Step 1:
7 note books
-
3 note books
=
4 note books
Step 2:
4 note books
→
$99.00 - $51.00
=
$48.00
Step 3:
1 note book
→
$48.00 ÷ 4
=
$12.00
Step 4:
3 note books
→
3 x $12.00
=
$36.00
Step 5:
3 pens
→
$51.00 - $36.00
=
$9.00
Step 6:
1 pen
→
$9.00 ÷ 3
=
$3.00
The cost of a pen is $3.00.
5)
Four files and three books cost $65.00. Four files and five books cost $95.00. What is the cost of a file
$ Answer: 5.00
SOLUTION 1 :
4 files + 3 books
→
$65.00
4 files + 5 books
→
$95.00
Step 1:
5 books
-
3 books
=
2 books
Step 2:
2 books
→
$95.00 - $65.00
=
$30.00
Step 3:
1 books
→
$30.00 ÷ 2
=
$15.00
Step 4:
3 books
→
3 x $15.00
=
$45.00
Step 5:
4 files
→
$65.00 - $45.00
=
$20.00
Step 6:
1 file
→
$20.00 ÷ 4
=
$5.00
The cost of a file is $5.00.
6)
Five dolls and three doll houses cost $230.00. Five dolls and six doll houses cost $410.00. What is the cost of a doll
$ Answer: 10.00
SOLUTION 1 :
5 dolls + 3 doll house
→
$230.00
5 dolls + 6 doll houses
→
$410.00
Step 1:
6 doll houses
-
3 doll houses
=
3 doll houses
Step 2:
3 doll houses
→
$410.00 - $230.00
=
$180.00
Step 3:
1 doll house
→
$180.00 ÷ 3
=
$60.00
Step 4:
3 doll houses
→
3 x $60.00
=
$180.00
Step 5:
5 dolls
→
$230.00 - $180.00
=
$50.00
Step 6:
1 doll
→
$50.00 ÷ 5
=
$10.00
The cost of a doll is $10.00.
7)
Three pens and three notebooks cost $17.00. Three pens and seven notebooks cost $33.00. What is the cost of a pen
$ Answer: 1.00
SOLUTION 1 :
3 pens + 3 note books
→
$17.00
3 pens + 7 note books
→
$33.00
Step 1:
7 note books
-
3 note books
=
4 note books
Step 2:
4 note books
→
$33.00 - $17.00
=
$16.00
Step 3:
1 note book
→
$16.00 ÷ 4
=
$4.00
Step 4:
3 note books
→
3 x $4.00
=
$12.00
Step 5:
3 pens
→
$17.00 - $12.00
=
$3.00
Step 6:
1 pen
→
$3.00 ÷ 3
=
$1.00
The cost of a pen is $1.00.
8)
Four files and three books cost $117.00. Four files and five books cost $171.00. What is the cost of a file
$ Answer: 9.00
SOLUTION 1 :
4 files + 3 books
→
$117.00
4 files + 5 books
→
$171.00
Step 1:
5 books
-
3 books
=
2 books
Step 2:
2 books
→
$171.00 - $117.00
=
$54.00
Step 3:
1 books
→
$54.00 ÷ 2
=
$27.00
Step 4:
3 books
→
3 x $27.00
=
$81.00
Step 5:
4 files
→
$117.00 - $81.00
=
$36.00
Step 6:
1 file
→
$36.00 ÷ 4
=
$9.00
The cost of a file is $9.00.
9)
Five dolls and three doll houses cost $299.00. Five dolls and six doll houses cost $533.00. What is the cost of a doll
$ Answer: 13.00
SOLUTION 1 :
5 dolls + 3 doll house
→
$299.00
5 dolls + 6 doll houses
→
$533.00
Step 1:
6 doll houses
-
3 doll houses
=
3 doll houses
Step 2:
3 doll houses
→
$533.00 - $299.00
=
$234.00
Step 3:
1 doll house
→
$234.00 ÷ 3
=
$78.00
Step 4:
3 doll houses
→
3 x $78.00
=
$234.00
Step 5:
5 dolls
→
$299.00 - $234.00
=
$65.00
Step 6:
1 doll
→
$65.00 ÷ 5
=
$13.00
The cost of a doll is $13.00.
10)
Three pens and three notebooks cost $68.00. Three pens and seven notebooks cost $132.00. What is the cost of a pen